"Fri, 17 May 2024 18:03:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
18:03:45
General datetime
2024-05-17 18:03:45Z
For Database
2024-05-17 18:03:45
For HTTP1.1
Fri, 17 May 2024 18:03:45 GMT